www.ddfco.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:e6:64:88:d0:15:43:c9:39:e8:04:3a:c5:d8:72:ca:c6:0b was issued on by Let's Encrypt.

This certificate has already expired and will cause a warning or error message in the browser it's still listed on this site to allow you to look back on previously issued certificates. If we have found any compliance issues with this certificate they will be shown below. I hope this certificate review is providing you the detailed information in a simple form you where looking for.


We have idenified some issues with this certificate:
  • Subscriber Certificate: commonName is deprecated. (BRs: 7.1.4.2.2)

Certificate Subject

CN=www.ddfco.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:e6:64:88:d0:15:43:c9:39:e8:04:3a:c5:d8:72:ca:c6:0b
Serial Number (int): 339735435359473806595845329923123473729035
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 7d:0c:41:c7:54:19:5d:f0:55:e3:31:29:74:d6:16:82:af:67:4b:d8
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 18:61:9b:78:86:5f:f7:45:2e:94:c7:ad:f8:38:8c:47:54:fd:48:fd
Fingerprint (sha256): 23:53:37:d9:3f:9d:d1:93:40:b0:64:f2:65:84:c7:f3:b2:c7:44:4e:5f:28:79:24:41:84:05:fc:b5:70:7d:5c

Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/

Revocation information

OCSP Server: http://ocsp.int-x3.letsencrypt.org

Check the revocation status for certificate www.ddfco.com

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.ddfco.com

Public Key Algorithm

RSA

Key Size

4096

Signature Algorithm

SHA256 with RSA

Key Usage

Digital Signature
Key Encipherment

Extended Key Usages

Server Authentication
Client Authentication

Extensions

9 extensions
No unhandled critical extensions

CA Certificate

This is not a CA certificate

Subject Alternative Names

www.ddfco.com

Other certificates including the domain name ddfco.com

(limited to 100 certificates)

Certificate

The complete raw certificate details for www.ddfco.com in PEM and ASN.1 format.

Certificate (PEM)

-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY-----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-----END PUBLIC KEY-----

ASN.1 decoded

 [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . [c:2|t:0|true] OtherName 
 . . . . . . . . . . . . [c:0|t:2|false] INTEGER 2
 . . . . . . . . [c:0|t:2|false] INTEGER 339735435359473806595845329923123473729035
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.11 (sha256WithRSAEncryption)
 . . . . . . . . . . . . [c:0|t:5|false] NULL 
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF 
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.6 (countryName)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'US'
 . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF 
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.10 (organizationName)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'Let's Encrypt'
 . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF 
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.3 (commonName)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'Let's Encrypt Authority X3'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-12-18 21:04:34 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-03-17 21:04:34 +0000 UTC
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF 
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.3 (commonName)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'www.ddfco.com'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.1 (rsaEncryption)
 . . . . . . . . . . . . . . . . [c:0|t:5|false] NULL 
 . . . . . . . . . . . . [c:0|t:3|false] BIT STRING (4208 bits)
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 847040987156486453693450137175257173430760670654750845351731205031939404798572619989718605317436557210443606013763346378096904763745002638500809096329185995120193994277960260522422929785155954595217905898761317338821320288191755798207869154954612845069815703979686913559573755834203375847503060572692844036002026298504306188759736071973945983313391059819293750972435195535830429840803538185243278175016232412331515644755051359118197746474126753249051833690157855931205078578418755498024757129797340602179519776417910488859617226939268069649346899411965626470487465599567282488876124361265194554075948244537631783207597366764727816447656932097040592749450922861368026170078132991197387585432160054676833130995392653681060051147349284547990887420288863173786085940257247199555762780907513854449551774838090988214718427288905249365213250648498853786672774914535433526055042728203797120438528609061037281424417039854782198342207698454207627620731479802876916130630321286122587637905220181244699471176985363743415327007827417231419469676420562408319941346210318568365671518406166326844246950871695453944837315427683172721646540787094223274962227060997547907977514231497405822363676474443837986103496430873624067274270959054272366323394269
 . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 65537

 . . . . . . . . [c:2|t:3|true] ORAddress 
 . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.15 (keyUsage)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:1|false] BOOLEAN true
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (4 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:3|false] BIT STRING (3 bits)
							05a0
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.37 (extKeyUsage)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (22 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.3.1 (serverAuth)
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.3.2 (clientAuth)
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.19 (basicConstraints)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:1|false] BOOLEAN true
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (2 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.14 (subjectKeyIdentifier)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (22 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (20 bytes)
							7d0c41c754195df055e3312974d61682af674bd8
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.35 (authorityKeyIdentifier)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (24 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|false] OtherName a84a6a63047dddbae6d139b7a64565eff3a8eca1
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.1.1 (authorityInfoAccess)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (99 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.48.1 (ocsp)
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://ocsp.int-x3.letsencrypt.org'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.48.2 (caIssuers)
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://cert.int-x3.letsencrypt.org/'
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.17 (subjectAltName)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (17 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.ddfco.com'
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.32 (certificatePolicies)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (69 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.23.140.1.2.1 (Domain Validation Certificates Policy)
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.4.1.44947.1.1.1
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.2.1 (cps)
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:22|false] IA5String 'http://cps.letsencrypt.org'
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.4.1.11129.2.4.2
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (247 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (244 bytes)
							00f20077005ea773f9df56c0e7b536487dd049e0327a919a0c84a1121284187596817145580000016f1b0a91150000040300483046022100e8592780d72b8467afc01d207e3d66470a5035e907045f2cf91c64faaf367066022100ff96b3ebde95ab78d748bce62e780bed1c160454fc8ae4ad961c223309c1c15f00770007b75c1be57d68fff1b0c61d2315c7bae6577c5794b76aeebc613a1a69d3a21c0000016f1b0a91390000040300483046022100e5885d3c4dc58a17e29de6158aafad1d3944d1817a00b9e051fb7e0ffbb7b3fc022100aa11bca31a3fc338d675fe66bec9696334724f6e65c71fe489f473ed05c1b5b0
 . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.11 (sha256WithRSAEncryption)
 . . . . . . . . [c:0|t:5|false] NULL 
 . . . . [c:0|t:3|false] BIT STRING (2048 bits)
		001cea0ea865ba408a97e29f9b13216cc7cd98962facf4e66520f5a29b12dc5d4e74646eebee34f19c5fd0833264d8497e28e0124fa1257f0f79d587f4e0084915fea38e609ed286a7e54135433da03a3c23ff9fc21c38b421aa5fc4df77bb0ef5e3a1e5fddf234eb1c2062d9747a83a4fb335b262feab4634c1fa25a65306b4a3a8299c95eed151fd9edeb6a81ce6d43b91a0e8b71f0d5f8a2589af1f74aefe3210b21d3c985229958fd695d47b8fba21b3e5d9453cc1e02cbc0bf1fda9574e510fc6e1de8fed3b7ce1157c9b49b653d8dbefb13cfb0bb29d97d04b228f5494bd06d4c2ef727958b39e77eaa9b6f37e96a7bd4c11eb75e66fff94e6deb0ed2055